Timestanps in Conpherence use this format specifying hh:mm only:
Via Web · 6:37 PM
The date of creation of a Conpherence thread is not presented anywhere in the page. When the thread is updated in a following day, the new date is shown, but the original one is still missing.
Regardless of the obvious bug, I wonder whether it would be better to keep consistency with Maniphest, Feed, etc, where the timestamps are complete and it is easy to spot when each entry was logged:
Mon, May 11, 7:09 AM